Immunoreactive (IR) beta-endorphin (beta-EP) and met-enkephalin (MET-ENK) have been found in peritoneal fluid (PF) and ovarian follicular fluid (FF). Gel chromatography also revealed the presence of coeluting IR beta-lipotropin and gamma-lipotropin. IR beta-EP and IR MET-ENK levels in healthy menstruating women were from 10 to 40 times higher than those present in circulating plasma, which indicated a possible local production. The highest concentrations of IR beta-EP in FF were found in the largest follicles, whereas in the PF they correlated with the luteal period of the menstrual cycle and with progesterone concentrations. No relevant changes in IR MET-ENK were detected in the FF or in the PF in relation to the phase of the menstrual cycle. In postmenopausal women, the concentrations of the two IR opioid peptides were undetectable in both fluids.
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|Titolo:||Beta-endorphin and met-enkephalin in peritoneal and ovarian follicular fluids of fertile and postmenopausal women.|
|Citazione:||Petraglia, F., Segre, A., Facchinetti, F., Campanini, D., Ruspa, M., & Genazzani, A.r. (1985). Beta-endorphin and met-enkephalin in peritoneal and ovarian follicular fluids of fertile and postmenopausal women. FERTILITY AND STERILITY, 44(5), 615-621.|
|Appare nelle tipologie:||1.1 Articolo in rivista|
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